* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
}

h2, h3, h5 {
    margin-top: 0;
    margin-bottom: 0;
    font-weight: 700;
    line-height: 1.25;
}

h2 {
    font-size: calc(1.325rem + .9vw);
}

h3 {
    font-size: calc(1.3rem + .6vw);
}

h5 {
    font-size: 1.25rem;
}

p {
    margin-top: 0;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    display: inline-block;
    transition: color .15s ease-in-out, opacity .15s ease-in-out;
}

a:hover {
    opacity: .7;
}

img {
    vertical-align: middle;
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
}

input, button, select, textarea {
    margin: 0;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

.display-3 {
    font-size: calc(1.575rem + 3.9vw);
    font-weight: 700;
    line-height: 1.1;
}

.display-5 {
    font-size: calc(1.425rem + 2.1vw);
    font-weight: 700;
    line-height: 1.1;
}

.container {
    width: 100%;
    padding-right: 0.75rem;
    padding-left: 0.75rem;
    margin-right: auto;
    margin-left: auto;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -0.75rem;
    margin-left: -0.75rem;
}

.row > * {
    flex-shrink: 0;
    width: 100%;
    max-width: 100%;
    padding-right: 0.75rem;
    padding-left: 0.75rem;
}

.col-12 {
    flex: 0 0 auto;
    width: 100%;
}

.form-label {
    margin-bottom: .5rem;
    display: inline-block;
}

.form-control {
    display: block;
    width: 100%;
    padding: .825rem 1.1875rem;
    font-size: 1.125rem;
    font-weight: 500;
    line-height: 1.2;
    background-color: transparent;
    border-radius: .625rem;
}

.form-control:focus {
    outline: 0;
}

.form-select {
    display: block;
    width: 100%;
    padding: .825rem 3.5625rem .825rem 1.1875rem;
    font-size: 1.125rem;
    font-weight: 500;
    line-height: 1.2;
    background-color: transparent;
    border-radius: .625rem;
    appearance: none;
}

.form-check {
    display: block;
    min-height: 1.5rem;
    padding-left: 0;
    margin-bottom: 0;
}

.form-check-input {
    width: 1.5rem;
    height: 1.5rem;
    margin-top: 0;
    margin-right: .5rem;
    vertical-align: top;
    background-color: transparent;
    appearance: none;
}

.form-check-label {
    cursor: pointer;
}

.btn {
    display: inline-block;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    padding: .825rem 1.1875rem;
    font-size: 1.125rem;
    border-radius: .625rem;
    transition: color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out;
}

.nav-link {
    display: block;
    padding: .5rem 1rem;
    transition: color .15s ease-in-out;
}

.navbar {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding-top: .5rem;
    padding-bottom: .5rem;
}

.navbar > .container {
    display: flex;
    flex-wrap: inherit;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    padding-top: .40625rem;
    padding-bottom: .40625rem;
    margin-right: 1rem;
    font-size: 1.125rem;
    white-space: nowrap;
    font-weight: 700;
}

.navbar-nav {
    display: flex;
    flex-direction: column;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
}

.navbar-collapse {
    flex-basis: 100%;
    flex-grow: 1;
    align-items: center;
}

.navbar-toggler {
    padding: .25rem .75rem;
    font-size: 1.125rem;
    line-height: 1;
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: .625rem;
}

.navbar-toggler-icon {
    display: inline-block;
    width: 1.5em;
    height: 1.5em;
    vertical-align: middle;
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;
}

.collapse:not(.show) {
    display: none;
}

.d-flex {
    display: flex !important;
}
.position-relative {
    position: relative !important;
}
.position-absolute {
    position: absolute !important;
}
.w-100 {
    width: 100% !important;
}
.flex-column {
    flex-direction: column !important;
}
.flex-wrap {
    flex-wrap: wrap !important;
}
.justify-content-center {
    justify-content: center !important;
}
.justify-content-between {
    justify-content: space-between !important;
}
.align-items-center {
    align-items: center !important;
}
.align-items-start {
    align-items: flex-start !important;
}
.mt-4 {
    margin-top: 1rem !important;
}
.mt-6 {
    margin-top: 1.5rem !important;
}
.mt-8 {
    margin-top: 2rem !important;
}
.mt-12 {
    margin-top: 3rem !important;
}
.mt-15 {
    margin-top: 3.75rem !important;
}
.mb-0 {
    margin-bottom: 0 !important;
}
.mb-2 {
    margin-bottom: .5rem !important;
}
.mb-4 {
    margin-bottom: 1rem !important;
}
.mb-5 {
    margin-bottom: 1.25rem !important;
}
.mb-6 {
    margin-bottom: 1.5rem !important;
}
.mb-8 {
    margin-bottom: 2rem !important;
}
.mb-10 {
    margin-bottom: 2.5rem !important;
}
.mb-12 {
    margin-bottom: 3rem !important;
}
.mb-15 {
    margin-bottom: 3.75rem !important;
}
.ms-auto {
    margin-left: auto !important;
}
.ms-lg-8 {
    margin-left: 2rem !important;
}
.me-4 {
    margin-right: 1rem !important;
}
.me-lg-8 {
    margin-right: 2rem !important;
}
.p-6 {
    padding: 1.5rem !important;
}
.p-8 {
    padding: 2rem !important;
}
.p-10 {
    padding: 2.5rem !important;
}
.py-3 {
    padding-top: .75rem !important;
    padding-bottom: .75rem !important;
}
.py-8 {
    padding-top: 2rem !important;
    padding-bottom: 2rem !important;
}
.py-10 {
    padding-top: 2.5rem !important;
    padding-bottom: 2.5rem !important;
}
.py-12 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
}
.py-15 {
    padding-top: 3.75rem !important;
    padding-bottom: 3.75rem !important;
}
.px-8 {
    padding-left: 2rem !important;
    padding-right: 2rem !important;
}
.ps-lg-8 {
    padding-left: 2rem !important;
}
.ps-9 {
    padding-left: 2.25rem !important;
}
.ps-12 {
    padding-left: 3rem !important;
}
.fs-1 {
    font-size: 1.5rem !important;
}
.fs-2 {
    font-size: 1.375rem !important;
}
.fs-3 {
    font-size: 1.25rem !important;
}
.fs-4 {
    font-size: 1.125rem !important;
}
.fs-5 {
    font-size: 1rem !important;
}
.fw-bold {
    font-weight: 700 !important;
}
.fw-light {
    font-weight: 300 !important;
}
.text-center {
    text-align: center !important;
}
.text-decoration-none {
    text-decoration: none !important;
}
.rounded-2 {
    border-radius: .625rem !important;
}
.rounded-3 {
    border-radius: .75rem !important;
}
.rounded-4 {
    border-radius: 1rem !important;
}
.rounded-5 {
    border-radius: 1.25rem !important;
}
.rounded-circle {
    border-radius: 50% !important;
}
.overflow-hidden {
    overflow: hidden !important;
}
.shadow {
    box-shadow: 0 .5rem 1rem rgba(0, 0, 0, .15) !important;
}
.shadow-sm {
    box-shadow: 0 .125rem .25rem rgba(0, 0, 0, .075) !important;
}
.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, .175) !important;
}
.h-100 {
    height: 100% !important;
}
.opacity-75 {
    opacity: 0.75 !important;
}
.opacity-90 {
    opacity: 0.9 !important;
}
.z-index-2 {
    z-index: 2 !important;
}
.flex-shrink-0 {
    flex-shrink: 0 !important;
}
.list-unstyled {
    list-style: none;
    padding-left: 0;
}

@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
    .col-md-5 {
        flex: 0 0 auto;
        width: 41.66666667%;
    }
    .col-md-6 {
        flex: 0 0 auto;
        width: 50%;
    }
    .col-md-7 {
        flex: 0 0 auto;
        width: 58.33333333%;
    }
    .col-md-8 {
        flex: 0 0 auto;
        width: 66.66666667%;
    }
    .col-md-10 {
        flex: 0 0 auto;
        width: 83.33333333%;
    }
    .flex-md-row {
        flex-direction: row !important;
    }
    .justify-content-md-end {
        justify-content: flex-end !important;
    }
    .align-items-md-center {
        align-items: center !important;
    }
    .me-md-4 {
        margin-right: 1rem !important;
    }
    .mb-md-0 {
        margin-bottom: 0 !important;
    }
    .p-md-8 {
        padding: 2rem !important;
    }
    .p-md-12 {
        padding: 3rem !important;
    }
    .text-md-start {
        text-align: left !important;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
    .col-lg-4 {
        flex: 0 0 auto;
        width: 33.33333333%;
    }
    .col-lg-5 {
        flex: 0 0 auto;
        width: 41.66666667%;
    }
    .col-lg-6 {
        flex: 0 0 auto;
        width: 50%;
    }
    .col-lg-8 {
        flex: 0 0 auto;
        width: 66.66666667%;
    }
    .navbar-expand-lg {
        flex-wrap: nowrap;
        justify-content: flex-start;
    }
    .navbar-expand-lg .navbar-nav {
        flex-direction: row;
    }
    .navbar-expand-lg .navbar-nav .nav-link {
        padding-right: .5rem;
        padding-left: .5rem;
    }
    .navbar-expand-lg .navbar-collapse {
        display: flex !important;
        flex-basis: auto;
    }
    .navbar-expand-lg .navbar-toggler {
        display: none;
    }
    .mb-lg-0 {
        margin-bottom: 0 !important;
    }
    .mb-lg-12 {
        margin-bottom: 3rem !important;
    }
    .mb-lg-20 {
        margin-bottom: 5rem !important;
    }
    .py-lg-15 {
        padding-top: 3.75rem !important;
        padding-bottom: 3.75rem !important;
    }
    .py-lg-20 {
        padding-top: 5rem !important;
        padding-bottom: 5rem !important;
    }
    .py-lg-24 {
        padding-top: 6rem !important;
        padding-bottom: 6rem !important;
    }
    .py-lg-25 {
        padding-top: 6.25rem !important;
        padding-bottom: 6.25rem !important;
    }
    .text-lg-start {
        text-align: left !important;
    }
    .order-lg-1 {
        order: 1 !important;
    }
    .order-lg-2 {
        order: 2 !important;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
    .col-xl-5 {
        flex: 0 0 auto;
        width: 41.66666667%;
    }
    .col-xl-6 {
        flex: 0 0 auto;
        width: 50%;
    }
    .col-xl-7 {
        flex: 0 0 auto;
        width: 58.33333333%;
    }
    .col-xl-8 {
        flex: 0 0 auto;
        width: 66.66666667%;
    }
    h2 {
        font-size: 2rem;
    }
    h3 {
        font-size: 1.75rem;
    }
    .display-3 {
        font-size: 4.5rem;
    }
    .display-4 {
        font-size: 3.5rem;
    }
    .display-5 {
        font-size: 3rem;
    }
    .display-6 {
        font-size: 2.5rem;
    }
}

@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    .col-xxl-4 {
        flex: 0 0 auto;
        width: 33.33333333%;
    }
    .col-xxl-5 {
        flex: 0 0 auto;
        width: 41.66666667%;
    }
    .col-xxl-6 {
        flex: 0 0 auto;
        width: 50%;
    }
}

:root {
    --primary-color: #1e3a5f;
    --secondary-color: #f4f6f8;
    --accent-color: #d4af37;
    --text-color: #2c3e50;
    --bg-color: #ffffff;
    --bg-secondary: #f8f9fa;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.bg-secondary {
    background-color: var(--secondary-color) !important;
}

.bg-light {
    background-color: var(--bg-secondary) !important;
}

.bg-dark {
    background-color: #1a1a1a !important;
}

.bg-white {
    background-color: var(--bg-color) !important;
}

.bg-success {
    background-color: #28a745 !important;
}

.bg-info {
    background-color: #17a2b8 !important;
}

.bg-warning {
    background-color: #ffc107 !important;
}

.bg-accent {
    background-color: var(--accent-color) !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

.text-accent {
    color: var(--accent-color) !important;
}

.text-success {
    color: #28a745 !important;
}

.text-info {
    color: #17a2b8 !important;
}

.text-warning {
    color: #ffc107 !important;
}

.text-muted {
    color: #6c757d !important;
}

.text-light {
    color: #f8f9fa !important;
}

.text-white {
    color: #ffffff !important;
}

.text-dark {
    color: #343a40 !important;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #163149;
    border-color: #163149;
    color: white;
    opacity: 1;
}

.btn-accent {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.btn-accent:hover {
    background-color: #b8962e;
    border-color: #b8962e;
    color: white;
    opacity: 1;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.25rem;
}

.bg-gradient {
    background-image: linear-gradient(180deg, rgba(255,255,255,.15), rgba(255,255,255,0)) !important;
}

.bg-primary.bg-gradient {
    background-image: linear-gradient(135deg, var(--primary-color) 0%, #163149 100%) !important;
}

.bg-secondary.bg-gradient {
    background-image: linear-gradient(135deg, var(--secondary-color) 0%, #e9ecef 100%) !important;
}

.bg-accent.bg-gradient {
    background-image: linear-gradient(135deg, var(--accent-color) 0%, #b8962e 100%) !important;
}

.form-control, .form-select {
    border: 1px solid #ced4da;
    background-color: white;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(30, 58, 95, 0.25);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.navbar-nav .nav-link {
    color: var(--text-color);
    font-weight: 500;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color);
}

.navbar-toggler {
    border-color: transparent;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, #163149 100%);
    position: relative;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../imgmain/imgmind4.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.8) 0%, rgba(22, 49, 73, 0.9) 100%);
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

a {
    color: var(--primary-color);
    transition: color 0.3s, opacity 0.3s;
}

a:hover {
    color: var(--accent-color);
}

.bg-opacity-10 {
    background-color: rgba(255, 255, 255, 0.1) !important;
}

.bg-opacity-75 {
    background-color: rgba(255, 255, 255, 0.75) !important;
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.5rem !important;
    }

    .display-3 {
        font-size: calc(1.2rem + 1.5vw) !important;
    }

    .py-15 {
        padding-top: 2rem !important;
        padding-bottom: 2rem !important;
    }
}